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WIP: add support for LLVM 19 #4435

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WIP: add support for LLVM 19 #4435

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@aykevl aykevl commented Aug 25, 2024 •
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This is incomplete. I've only made this so that we have a LLVM 19 branch ready to go once LLVM 19 is released (and the Xtensa fork has been rebased).

I will make a new PR once it is ready.

Some things that need to be resolved:

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github-actions bot commented Aug 25, 2024 •
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Size difference with the dev branch:

Binary size difference 
not the same command!
    tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/adafruit4650
    go: downloading tinygo.org/x/tinyfont v0.3.0
not the same command!
    tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/websocket/dial/
    go: downloading golang.org/x/net v0.7.0
not the same command!
    tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/mqttclient/natiu/
    go: downloading github.com/soypat/natiu-mqtt v0.5.1
not the same command!
    tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/mqttclient/paho/
    go: downloading github.com/eclipse/paho.mqtt.golang v1.2.0
 flash                          ram
 before   after   diff          before   after   diff
 282812  281292  -1520  -0.54%   16988   16988      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/mqttclient/paho/
 281404  280044  -1360  -0.48%   17928   17928      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webserver/
 291600  290440  -1160  -0.40%   12508   12508      0   0.00% tinygo build -size short -o ./build/test.hex -target=pyportal -stack-size 8kb ./examples/net/http-get/
 332328  331272  -1056  -0.32%   15504   15504      0   0.00% tinygo build -size short -o ./build/test.hex -target=matrixportal-m4 -stack-size 8kb ./examples/net/webstatic/
 113972  113380   -592  -0.52%   12868   12868      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webclient/
 262528  262144   -384  -0.15%   46736   46736      0   0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/slideshow
 153228  152876   -352  -0.23%    6428    6420     -8  -0.12% tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/mqttclient/natiu/
  67740   67484   -256  -0.38%    6352    6352      0   0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/i2c/main.go
  68268   68052   -216  -0.32%    6488    6488      0   0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/uart/main.go
 101024  100832   -192  -0.19%    9728    9728      0   0.00% tinygo build -size short -o ./build/test.hex -target=metro-m4-airlift -stack-size 8kb ./examples/net/socket/
  65720   65544   -176  -0.27%    4796    4796      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/ndir/main_ndir.go
  74780   74628   -152  -0.20%    7460    7460      0   0.00% tinygo build -size short -o ./build/test.hex -target=p1am-100 ./examples/p1am/main.go
  81952   81808   -144  -0.18%    6564    6564      0   0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-wl55jc ./examples/lora/lorawan/atcmd/
  61072   60928   -144  -0.24%    3764    3764      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ndir/main_ndir.go
  26372   26252   -120  -0.46%    3320    3320      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/microbitmatrix/main.go
  30464   30352   -112  -0.37%    4276    4276      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/ssd1289/main.go
  26320   26212   -108  -0.41%   16716   16716      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/waveshare-epd/epd2in66b/main.go
  76176   76080    -96  -0.13%    6316    6316      0   0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/dht/main.go
  16736   16644    -92  -0.55%    4308    4308      0   0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/adafruit4650
  64148   64060    -88  -0.14%    6240    6240      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/ndir/main_ndir.go
  88808   88720    -88  -0.10%    6076    6076      0   0.00% tinygo build -size short -o ./build/test.hex -target=challenger-rp2040 ./examples/net/ntpclient/
  11140   11056    -84  -0.75%    4236    4236      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/irremote/main.go
  56264   56184    -80  -0.14%    3676    3676      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht4x/main.go
  13572   13492    -80  -0.59%    4916    4916      0   0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-wl55jc ./examples/sx126x/lora_rxtx/
  36320   36244    -76  -0.21%    3972    3972      0   0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/pcf8523/
   9152    9080    -72  -0.79%    5236    5236      0   0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-l432kc ./examples/aht20/main.go
  65064   64992    -72  -0.11%    4764    4764      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/mcp9808/main.go
  69420   69356    -64  -0.09%    3628    3628      0   0.00% tinygo build -size short -o ./build/test.hex -target=pinetime     ./examples/bma42x/main.go
  68604   68540    -64  -0.09%    6348    6348      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/ds3231/main.go
  26380   26316    -64  -0.24%    2312    2312      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/lsm303agr/main.go
  13644   13584    -60  -0.44%    3384    3384      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico     ./examples/sgp30
  68324   68268    -56  -0.08%    6956    6956      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/flash/console/spi
  67512   67456    -56  -0.08%    6176    6176      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp2515/main.go
  13320   13264    -56  -0.42%    4732    4732      0   0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis2mdl/main.go
  70088   70032    -56  -0.08%    6324    6324      0   0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/timer/
 117244  117188    -56  -0.05%    7744    7744      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 -stack-size 8kb ./examples/net/tcpclient/
  14512   14460    -52  -0.36%    6556    6556      0   0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/hts221/main.go
   8152    8104    -48  -0.59%    3332    3332      0   0.00% tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/sram/main.go
  11784   11736    -48  -0.41%    3308    3308      0   0.00% tinygo build -size short -o ./build/test.hex -target=badger2040 ./examples/uc8151/main.go
  22060   22016    -44  -0.20%    3528    3528      0   0.00% tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/time/main.go
  62852   62812    -40  -0.06%    6176    6176      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmi160/main.go
  15732   15692    -40  -0.25%    4864    4864      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/as560x/main.go
   9776    9740    -36  -0.37%    3280    3280      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/mpu6886/main.go
  11284   11248    -36  -0.32%    3308    3308      0   0.00% tinygo build -size short -o ./build/test.hex -target=macropad-rp2040 ./examples/sh1106/macropad_spi
   8384    8348    -36  -0.43%    3744    3744      0   0.00% tinygo build -size short -o ./build/test.hex -target=macropad-rp2040 ./examples/encoders/quadrature-interrupt
  27748   27716    -32  -0.12%    4772    4772      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp180/main.go
  13856   13824    -32  -0.23%    6556    6556      0   0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/lps22hb/main.go
  12132   12100    -32  -0.26%    3336    3336      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/pca9685/main.go
  10404   10372    -32  -0.31%    3312    3312      0   0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/seesaw
  32184   32152    -32  -0.10%    4772    4772      0   0.00% tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bme280/main.go
  12064   12032    -32  -0.27%    3288    3288      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/qmi8658c/main.go
   8916    8884    -32  -0.36%    3260    3260      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/xpt2046/main.go
  10296   10264    -32  -0.31%    3340    3340      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/scd4x/main.go
   9204    9172    -32  -0.35%    3272    3272      0   0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/mpu9150/main.go
  11584   11560    -24  -0.21%    6556    6556      0   0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/apds9960/proximity/main.go
   6600    6576    -24  -0.36%    2264    2264      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7735/main.go
   6004    5980    -24  -0.40%    2296    2296      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13x/main.go
 108524  108508    -16  -0.01%    7516    7516      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-mkrwifi1010 -stack-size 8kb ./examples/net/tlsclient/
  10296   10284    -12  -0.12%    4516    4516      0   0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-bluefruit ./examples/tone
  60248   60240     -8  -0.01%    6176    6176      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adt7410/main.go
  26188   26180     -8  -0.03%    5364    5364      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit-v2 ./examples/microbitmatrix/main.go
   6512    6504     -8  -0.12%    2264    2264      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7789/main.go
   7284    7276     -8  -0.11%    3304    3304      0   0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-f103rb ./examples/shiftregister/main.go
   5084    5080     -4  -0.08%    2264    2264      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setpixel/main.go
   5924    5920     -4  -0.07%    2264    2264      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/spi_128x64/main.go
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   6848    6848      0   0.00%    2252    2252      0   0.00% tinygo build -size short -o ./build/test.hex -target=hifive1b ./examples/ssd1351/main.go
  15972   15976      4   0.03%    2344    2344      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hub75/main.go
  12468   12472      4   0.03%    6968    6968      0   0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/pyportal_touchpaint/main.go
   5494    5500      6   0.11%    9506    9506      0   0.00% tinygo build -size short -o ./build/test.bin -target=m5stamp-c3          ./examples/ws2812
   8196    8204      8   0.10%    2304    2304      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/at24cx/main.go
  56200   56208      8   0.01%    3668    3668      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht3x/main.go
  70128   70136      8   0.01%    6316    6324      8   0.13% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/alarm/
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  13424   13444     20   0.15%    6780    6780      0   0.00% tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/amg88xx
  10256   10276     20   0.20%    4772    4772      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017-multiple/main.go
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5200924 5195158  -5766   0.00%  780038  780054     16   0.00%

@aykevl
WIP: add support for LLVM 19
db4d569 
This is incomplete. I've only made this so that we have a LLVM 19 branch
ready to go once LLVM 19 is released (and the Xtensa fork has been
rebased).
@deadprogram
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LLVM 19 is out and the default for homebrew installs: https://formulae.brew.sh/formula/llvm

@aykevl
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aykevl commented Nov 18, 2024 •
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Yes. But it should continue to work, if people install LLVM as brew install llvm@18 (as IIRC it says in the documentation).

I can make a PR to support LLVM 19 for go install only if needed, but I'd prefer to do that only when needed (it is extra work to make and test). Instead, I'd prefer to wait until Espressif releases their LLVM 19 fork.

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@aykevl @deadprogram